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Consider the following hypothesis test:
Ho: μ ≥ 14
Ha: μ < 14
A sample of 64 provides a sample mean of 13 and a sample standard deviation of 4.
a. Determine the standard error of the mean.
b. Compute the value of the test statistic.
c. Determine the p-value; and at 95% confidence, test the above hypotheses.
Define the decision rule. Calculate the value of the test statistic.
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